Clear the cache within your TV's application settings.
If your TV app store is not updating to the latest 617-391 configuration automatically, advanced users can sideload the official Android TV APK.
Disclaimer: Third-party apps like Smart YouTube TV are not affiliated with YouTube LLC or Google LLC. Users assume responsibility for installing third-party software. If you'd like, I can: Tell you Explain how to fix specific login errors Compare this app with other YouTube alternatives Let me know how you'd like to narrow down the options . Share public link
: Use a file manager app on your TV to open the USB drive and select the APK file to begin installation. Clear the cache within your TV's application settings
Even the best app cannot overcome poor internet speeds. Use a wired Ethernet connection for 4K streaming rather than Wi-Fi if possible.
Older app versions limit video resolution. The latest update unlocks stable 4K HDR streaming at 60 frames per second. It also introduces superior audio syncing and support for AV1 decoding. This codec reduces buffering on slow internet connections. 2. Interface and Navigation Fixes
Users often seek specific build numbers—such as —to bypass regional restrictions, revert unwanted UI changes, or access a version of the application that offers superior decoding performance (often marketed in user communities as "Extra Quality" or "HQ" builds). This paper analyzes the specific relevance of build 6.17.391 and outlines the protocol for its deployment. Even the best app cannot overcome poor internet speeds
Open the (e.g., Google Play Store, Samsung Galaxy Store, LG Content Store, or Amazon Appstore). Search for YouTube using the search bar.
Tailored interface for TV remote navigation, lightweight (~7.8 MB), and support for 4K/HDR content on compatible hardware. How to Download and Install
If an update is available, select . (You can also turn on Auto Update here to prevent future manual work). For LG Smart TVs (webOS) Open the LG Content Store or Apps home screen. Navigate to My Apps or search directly for YouTube . go to Quality
Use a file manager app on your TV to open the USB drive, click the APK file, and select (Ensure "Unknown Sources" is enabled in your TV's security settings). Tips for the Best "Extra Quality" Streaming Experience
Since version 617.391 might not be the "current" version on the official Google Play Store (which often pushes "experimental" builds), you may need to "sideload" it via an APK. Step 1: Enable Unknown Sources
The file must be acquired from a reputable repository (e.g., APKMirror, Aptoide). The file will typically be named similar to com.google.android.youtube.tv_6.17.391.apk .
Overall, the Smart TV YouTube app version 617 391 is a great update that offers several improvements and features. We highly recommend downloading the latest version to enjoy a better YouTube experience on your Smart TV.
: Click the Gear icon (Settings) on a playing video, go to Quality , and force it to the highest resolution available (e.g., 2160p 4K).